var http = require("http");
var fs = require("fs");
var path = require("path");
http.createServer((req, res) => {
    res.writeHead(200, {"Content-Type": "text/html"});
    var filePath = path.join(__dirname, "本地图片路径");
    var imgBuf = fs.readFileSync(filePath);
    var imgBase64 = imgBuf.toString("base64");
    res.write("<!DOCTYPE html><html>" + 
        "<head></head><body style='background: red;'>" + "<img src='data:image/png;base64," + imgBase64 + "'/>" + "</body></html>");
        res.end();
}).listen(8081);
console.log("server is listening 8081");